.tab {
  position: fixed;
  display: flex;
  align-items: center;
  width: 100%;
  height: 45px;
  bottom: 0;
  right: 0;
  left: 0;
  z-index: 3;
  background-color: white;
  border-top: 1px solid #F3F3F3;
}
.option {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
  text-align: center;
}
img {
  width: 16px;
  height: 16px;
  margin-bottom: 4px;
}
a {
  color: #747474;
  text-decoration: none;
  font-size: 12px;
}
